157839 has 8 divisors (see below), whose sum is σ = 229632. Its totient is φ = 95640.

The previous prime is 157837. The next prime is 157841. The reversal of 157839 is 938751.

157839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (157837) and next prime (157841).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157839 - 2¹ = 157837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 4783 = 157839 / (1 + 5 + 7 + 8 + 3 + 9).

It is a plaindrome in base 16.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2359 + ... + 2424.

It is an arithmetic number, because the mean of its divisors is an integer number (28704).

2¹⁵⁷⁸³⁹ is an apocalyptic number.

157839 is a deficient number, since it is larger than the sum of its proper divisors (71793).

157839 is a wasteful number, since it uses less digits than its factorization.

157839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4797.

The product of its digits is 7560, while the sum is 33.

The square root of 157839 is about 397.2895669408. The cubic root of 157839 is about 54.0428329568.

The spelling of 157839 in words is "one hundred fifty-seven thousand, eight hundred thirty-nine".